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Fractions and Decimals

Fractions and Decimals
The rational number for recurring decimal 0.125125.... is:

125/99
125/100
125/1000
125/999

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

                           _0.125125... = 0.125 =125/999

Fractions and Decimals
[12 / (0.09 of 0.3)] x 2=?

8000/90
800/9
800/90
8000/9

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Given expression = ( 12/ 0.027) x 2= ( 12 / 0.027) x 2 = 24000/27 = 8000/9

Fractions and Decimals
( 20 + 8 x 0.5 ) / ( 20 - ? ) = 12

18
16
20
14

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let (20 + 8 x 0.5) / ( 20 - y) =12Then, 24 =12 x (20 - y)∴ 12y = 216⇒ y = 18

Fractions and Decimals
6 x 0.6 x 0.06 x 0.006 x 60 = ?

0.07776
77.76
7.776
0.7776

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 6 x 6/10 x 6/100 x 6/1000 x 60 = 77760/1000000                  = 7776/100000 = 0.07776

Fractions and Decimals
If 2805 / 2.55 = 1100, then 280.5 / 25.5 is equal to ?

11
31
41
21

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Given expression 280.5 / 25.5 = 2805 / 255= 2805 / (2.55 x 100) = 1100 / 100 =11

Fractions and Decimals
0.8 x ? =0.0004

0.00005
0.0005
0.005
0.05

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let 0.8y = 0.0004Then,y = 0.0004 / 0.8 = 0.004 / 8= .0005

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